<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>神龙教主</title>
    <link rel="stylesheet" href="./demo.css">
</head>

<body>
    <!-- Tab选项卡1 -->
    <div class="box tab1">
        <!-- 标题 -->
        <ul>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ul>
        <!-- 内容 -->
        <ol>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ol>
    </div>
    <!-- Tab选项卡2 -->
    <div class="box tab2">
        <!-- 标题 -->
        <ul>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ul>
        <!-- 内容 -->
        <ol>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ol>
    </div>
    <!-- Tab选项卡3 -->
    <div class="box tab3">
        <!-- 标题 -->
        <ul>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ul>
        <!-- 内容 -->
        <ol>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
        </ol>
    </div>
</body>
<script src='./demo.js'></script>
<script>
    let tab1 = new Tab('.tab1')
    let tab2 = new Tab('.tab2')
    let tab3 = new Tab('.tab3')
</script>